From owner-freebsd-current@freebsd.org Thu Sep 19 22:21:18 2019 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 56FEFE821D; Thu, 19 Sep 2019 22:21:18 +0000 (UTC) (envelope-from johalun@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46ZBC20CZyz4MZ4; Thu, 19 Sep 2019 22:21:18 +0000 (UTC) (envelope-from johalun@FreeBSD.org) Received: from [10.50.6.171] (wsip-184-181-13-226.ph.ph.cox.net [184.181.13.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: johalun) by smtp.freebsd.org (Postfix) with ESMTPSA id 45B13F185; Thu, 19 Sep 2019 22:21:17 +0000 (UTC) (envelope-from johalun@FreeBSD.org) Subject: Re: wlan can't discover known networks after relocating To: Adrian Chadd , Cy Schubert Cc: freebsd-current , "freebsd-wireless@freebsd.org" , Tom Jones , Poul-Henning Kamp References: <707bcd3f-fa6b-82eb-fa8f-09c4b800f477@FreeBSD.org> <6985.1568738188@critter.freebsd.dk> <20190919122804.GA80037@tom-desk.erg.abdn.ac.uk> From: Johannes Lundberg Message-ID: <7938e5fa-67da-35fa-10d0-ee3004438df7@FreeBSD.org> Date: Thu, 19 Sep 2019 15:21:15 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Sep 2019 22:21:18 -0000 On 9/19/19 3:06 PM, Adrian Chadd wrote: > So roaming in ifconfig/net80211 is what's set to manual. > > wpa_supplicant right now does RSSI threshold based roaming. All of the > roaming and network preferences when wpa_supplicant is running is done > in wpa_supplicant. That's where you have to look. Ideally > wpa_supplicant would be triggering bgscan too periodically rather than > only when the RSSI is low. > > > > -adrian > > > On Thu, 19 Sep 2019 at 15:04, Cy Schubert > wrote: > > On September 19, 2019 8:20:07 AM PDT, Adrian Chadd > > wrote: > >Roaming is done in wpa_supplicant when it's running.That's where the > >smarts > >need to be. :( > > > > > > > >-adrian > > > > > >On Thu, 19 Sep 2019 at 05:44, Bjoern A. Zeeb > > > > >wrote: > > > >> On 19 Sep 2019, at 12:28, Tom Jones wrote: > >> > >> Hi, > >> > >> freebsd-wireless might be a better list for all this .. > >> > >> > >> > On Tue, Sep 17, 2019 at 04:36:28PM +0000, Poul-Henning Kamp > wrote: > >> >> -------- > >> >> In message <707bcd3f-fa6b-82eb-fa8f-09c4b800f477@FreeBSD.org>, > >> >> Johannes Lundber > >> >> g writes: > >> >> > >> >>> For a long time now I have had this problem with iwm and wlan0. > >> >>> Whenever > >> >>> I move between work and home it won't reconnect > automatically and > >I > >> >>> have > >> >>> to do wlan0 scan manually for it to pick up the different > >network. > >> >> > >> >> I suffer from the dreaded "reason=0" when I move inside my > house: > >> >> > >> >>      > scan > >> >>      OK > >> >>      <3>CTRL-EVENT-SCAN-RESULTS > >> >>      <3>Trying to associate with 6c:3b:6b:3d:a2:e9 > >(SSID='Palombia' > >> >> freq=2452 MHz) > >> >>      <3>CTRL-EVENT-DISCONNECTED bssid=6c:3b:6b:3d:a2:e9 reason=0 > >> >>      <3>CTRL-EVENT-SCAN-RESULTS > >> >>      <3>Trying to associate with 6c:3b:6b:ab:ce:d4 > >(SSID='Palombia' > >> >> freq=2412 MHz) > >> >>      <3>Associated with 6c:3b:6b:ab:ce:d4 > >> >> > >> >> a2:e9 is the loudest AP here in my office, but my I have been in > >the > >> >> other end of the house iwn consistently fails to associate > with it > >> >> and > >> >> and keeps picking the weaker AP in the far end. > >> >> > >> >> Eventually (hours!) it disconnects from the weaker ap, also with > >> >> "reason=0" and gets it right: > >> >> > >> >>      <3>WPA: Group rekeying completed with 6c:3b:6b:ab:ce:d4 > >[GTK=CCMP] > >> >>      <3>CTRL-EVENT-DISCONNECTED bssid=6c:3b:6b:ab:ce:d4 reason=0 > >> >>      <3>CTRL-EVENT-SCAN-RESULTS > >> >>      <3>Trying to associate with 6c:3b:6b:3d:a2:e9 > >(SSID='Palombia' > >> >> freq=2452 MHz) > >> >>      <3>Associated with 6c:3b:6b:3d:a2:e9 > >> >>      <3>WPA: Key negotiation completed with 6c:3b:6b:3d:a2:e9 > >[PTK=CCMP > >> >> GTK=CCMP] > >> >>      <3>CTRL-EVENT-CONNECTED - Connection to 6c:3b:6b:3d:a2:e9 > >> completed > >> >> [id=3 id_str=] > >> >>      <3>WPA: Group rekeying completed with 6c:3b:6b:3d:a2:e9 > >[GTK=CCMP] > >> >> > >> >> And yes, working roaming would be nice too... > >> > > >> > I have the problem that when roaming networks become disabled > >> > > >> >       $ wpa_cli > >> >       Selected interface 'wlan0' > >> > > >> >       Interactive mode > >> > > >> >       > list_networks > >> >       network id / ssid / bssid / flags > >> >       0       network1        any     [CURRENT] > >> >       1       network2 any    [DISABLED] > >> >       2       network3 any    [DISABLED] > >> >       3       network4 any    [DISABLED] > >> >       4       network5 any    [DISABLED] > >> >       Selected interface 'wlan0' > >> > > >> > > >> > I address this by doing network_enable x in wpa_cli and it all > >comes > >> > back. I asked Adrian about this in the past, but it needs some > >> > debugging > >> > to pin down. > >> > >> > >> Is this iwm(4) as well in your case or another card? > >> > >> /bz > >> _______________________________________________ > >> freebsd-wireless@freebsd.org > mailing list > >> https://lists.freebsd.org/mailman/listinfo/freebsd-wireless > >> To unsubscribe, send any mail to > >"freebsd-wireless-unsubscribe@freebsd.org > > >> " > >> > >_______________________________________________ > >freebsd-current@freebsd.org > mailing list > >https://lists.freebsd.org/mailman/listinfo/freebsd-current > >To unsubscribe, send any mail to > >"freebsd-current-unsubscribe@freebsd.org > " > > With wpa_supplicant running roaming is set to manual. Bgscan > should be enabled.  > > At home we have two n (and 2 g) wifi networks. When powering off > one ap it connects to the other (in addition to using lagg to > failover from ethernet to wifi and back). > > Your wpa_supplicant should contain each ssid you intend to use. A > wildcard can be used for open networks. > > It's a while since I've tested this functionality but I can test > again when I get home tonight. > > > -- > Pardon the typos and autocorrect, small keyboard in use. > Cheers, > Cy Schubert > > FreeBSD UNIX: Web: http://www.FreeBSD.org > >         The need of the many outweighs the greed of the few. > Hmm so in other words, you have to set bgscan for each network entry you want roaming? What are some good values for this?